win32/GNUmakefile: disable the .y to .c implicit rule

If perly.y happens to be newer than perly.c gmake 4.4.1 wouldn't bother trying to build the .c from .y, but it would delete the .c as an intermediate anyway. Fixes Perl#21651
tonycoz · Dec 4, 2023 · cc19e7c · cc19e7c
1 parent cf76a26
commit cc19e7c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/win32/GNUmakefile b/win32/GNUmakefile
@@ -1904,3 +1904,6 @@ nok: utils $(PERLEXE) $(PERLDLL) Extensions_nonxs Extensions
 
 nokfile: utils $(PERLEXE) $(PERLDLL) Extensions_nonxs Extensions
 	$(PERLEXE) ..\utils\perlbug -nok -s "(UNINSTALLED)" -F perl.nok
+
+# prevent implicit rule
+%.c : %.y